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| Sharp contrasts in traffic congestion and air quality in the Tiantongyuan community of northern Beijing. Wu Chamgqing / For China Daily |
Yet heavily polluting transient trucks pose challenge in capital
The murky smog that has shrouded many parts of northern China this winter has brought a pressing demand for cleaner fuel and vehicles to improve air quality.
On Feb 6, the State Council passed a timetable to upgrade fuel quality that says that the National V standard for automobile gasoline and diesel will be implemented nationwide before the end of 2017.
The National V standard requires sulfur content in the fuel to be no more than 10 parts per million (ppm).
Suffering under heavy pollution that made international headlines, Beijing became the only city nationwide to implement the National V standard when the municipal government adopted the more stringent requirement on Feb 1. Shanghai and Jiangsu province continue with the National IV standard that limits sulfur content to 50 ppm.
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